Question

What is the effect of positive catalyst on energy of activation

Answer 1

║⊕ANSWER⊕║

A catalyst is a substance that changes the rate of a chemical reaction without being consumed in the reaction.

A catalyst provides an alternative route for the reaction.

That alternative route has a lower activation energy.

• A catalyst increases the rate of a reaction by lowering the activation energy so that more reactant molecules collide with enough energy.

The lower the activation energy, the faster a reaction happens.

Catalysts provide a new reaction pathway in which a lower Activation energy is offered.

                                                           

Answer 2

A catalyst increases the rate of a reaction by lowering the activation energy so that more reactant molecules collide with enough energy to surmount the smaller energy barrier.
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